Can opener



Dec. 22, 1931. y C, LORBER 1,837,783

CAN OPENER Filed May 6, 1931 Patented Dec. 22, 1931 ,UN-1TB!) STATES,

CHARLES LQRBER, on LOUISVILLE, KENTUCKY GAN OPENER Application led'May6, 1931. Seriall No. 535,460.

This invention relates to can'openers of the type wherein a cutter iscaused totravel" A second important object` of the inven` tion is toprovide an improved form of Such can opener wherein the cutter blade-iscaused to puncture the can prior to any rotation of,

the traction wheel.

A third important object of the inventionV is to provide a novelconstruction of such can opener wherein the cutter blade 1s guidedfor-rectilinear movement toward and from the traction wheel. .u A fourthimportant object of the invention., is to provide a novel form of suchcan opener.V

wherein the cutter blade is moved rectilinearly into and out of cuttingposition arrangement of cam lever.

A fifth important object of the invention is to provide an improved canopener of thisy class adapted to cut the can material in either Y n ofbutterfly lform for operation byu` the thumb and forelinger ofa user. Y

direction, the cutter blade being double edge for this purpose.

A sixth important object of theinvention is to provide a novelcombination of such acan opener with a bottle cap remover.

`With the above and other objects in view* as will be hereinafterapparent7 the invention consists in general of certain novel details ofconstruction and combinations of parts hereinafter fully described,illustrated in the accompanying drawings and specili-` cally claimed.

In the accompanying drawings like char.-

acters of reference indicate like parts in th several views, and: 1.

Figure 1 1s a. front elevation of one preferred form of this invention7the view show-1y Figure 3 is a section on the line 3-3 off.l

Figure 2.

Figure 4 1s a view similar to Figure 1 showing a slight modificationthereof.

by a novel...

Figure 5 is a side view showinga'portion i of the device shown in Figure1 as applied to a can.

` Figure 6 is a front view of the upper part of a second modification ofthe invention.

Figure 7 is a section on the line Y7-7 of Figure 6. f

Figure 8 is a front .elevation of a'tliird modification of theinvention.

Figure 9 is a side view of the third modiication.

In the several embodiments of theginvention vhere shown there is`provided. a base or body .consisting of a, vertically elongated plate:havingga dat upper portion 10 and-a rearwardly Aoliset* lower portion11 provided at its lower end with a can side ,engaging lower part of thebody 11, being revolubly 1nountedtherein-- On the forward end of thisshaft isfiXed a serrated tractioniwheel 14 whichrests against the frontface ofthe portion 11' and on the lrear end of the shaft 13 isfixed anoperating handle 14; here shown In the severalforms shown a blade-member15 is mounted to slide on ythe front face of the part 10 and-isrprovided with a'pair of synclinal and bevelled cutting edges 16.

In the'form shown inFigures `1 to. 5 inelusive a pivot stud 17 isprovided at the upper end of the body portion 10 and projects forwardlytherefrom, the blade being provided with a slot'r18 at itsupper end toreceive this ,pinA as kthe .blade is moved upwardly. A

cammember 19'is pivotally mounted onV the stud'land is provided.y Withan eccentric cam Vslot 2O finto which extends a cam pin 21 fixed on theblade 15. This cam member is provided ywith an operating handle 22 whichis positioned to extend eccentrically .ffrom; the lcam member to providea; notch y23 which constitutes the notch of` aybottle cap remover.

In the form shown in Figures 1 to 3 and 6 yguidelanges 24 havinginturned lips 25'are fformed at'the side edges of the -.part lDand.embrace andguide the blade 15. Below these i -1 guideflang'es arelcianlrestianges 26 alsoproflange 12. Also,in each formthere is pro- .n videdashaft 13 which extends through the jecting forwardly from the bodyportion 10.

In the form of the invention shown in F igures 4, 8 and 9 the blade 15is provided intermediate its ends with a guide slot 27 and a guide studor pin 28 passes through this slot and is fixed in the part 10. Also canrest iianges 29 project forwardly from the .side edges of the part l()and assist in guiding the `blade 15.

In the form of the device shown in Figures 6 and 7 the upper end of theblade 15 is provided with a forwardly extending flange 30 wherein is aslot 31 arranged to leave a cross bar 32 forming a cam bar. Projectingforwardly from the upper end of the part 10 is a pair of arms 33 whichsupport a pivot pin 34 whereon is mounted a cam member 35 having aneccentrlc cam slot 36-rece1ving the i cam bar 32. Themember 35 isprovided with an operating handle 37 arranged to form a f notch 38 asbefore.

movement in one direction and to raise the blade upon movement in theother direction. In the form shown in Figures 8 and 9 the cam acts onlyto push the blade down, retraction of the blade being effected manually.In all forms the device is applied to the can C (see Fig. 5) with theblade raised and the Ytraction' wheel beneath the edge bead ofthe can.The blade is now forced down-by the cam member and penetrates the cantopJ this I being effected without movement of the device as a whole.After penetration is effected the traction wheelis rotated and the canopener moves around the can,the blade cutting the top close to the beadas it thus moves.

There has thus been provided a simple and eflicient device of the kinddescribed and for the purpose specified.

plate, a short shaft extending through said offset end centrally of itswidth, a toothed traction wheel carried by thev shaftand rests ingagainst the ofsetend on the face adjacent the body of the plate, abutterfly head on the opposite end of said shaft, a headed studprojecting from the upper part of the plate centrally of its width andon the same side as the traction wheel, a knife blade having a slottherein engaging on said stud and held by the head thereof, said knifeblade having a pair of. cutting edges at the end' adjacent said wheel,said edges being arranged to form a point inv alinement between the studand shaft, said blade having its upper end also slotted, a pivot pincarried by the upper end of the plate and passing through the lastmentioned slot to form a guide means for the blade, a handled levermounted on said pivot pin andprovided with a cam slot, a pin fixed tothe blade and engaged in said cam slot, a pairofarms projecting from thesides of the plate and engaging the side edges of the blade to formadditional guide means therefor, said arms projecting beyond the bladeto enga-ge and rest on the top of a can rim in use, and a flangeprojecting forwardly from the lower extremity of the plate to restagainst the side of a can and hold the tractionv wheel out of contactwith said side.

In testimony whereof I affix my signature.

' v CHARLES LOB-BER.

